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BoxCSEqvBox
⊢
w
∧
(
w
)
∗
≡
w
BoxCSEqvBox
Proof for
⊃
:
1
⊢
(
w
)
∗
≡
empty
∨
(
w
∧
more
) ; (
w
)
∗
CSEqv
2
⊢
(
w
)
∗
⊃
empty
∨
(
w
∧
more
) ; (
w
)
∗
1
,
Prop
3
⊢
w
∧
(
w
)
∗
⊃
w
2
,
CSImpBox
qed
Proof for
⊂
:
1
⊢
w
⊃
w
PTL
2
⊢
w
⊃
(
w
)
∗
ImpCS
3
⊢
w
⊃
w
∧
(
w
)
∗
1
,
2
,
Prop
qed
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2023-09-12
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